Y \ X
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
10360
10359
10358
10357
10356
10355
10354
10353
10352
10351
10350
10349
10348
10347
10346
10345
10344
10343
10342
10341
10340